How to keep triangles connected and the same shape, while modifying/transforming?
There are matrices inside sverchok.
Category Analiser - origins node to find matrices.
use category Viz - viewer bmesh to show triangle and matrices to make multiple items.
Or use category Scene-mesh instancer node
Also surface way of this task exists
Please, import this node tree https://gist.github.com/78da59d7bcba7ee9b90e9276a09022d5
in &quot;sverchok import panel&quot;
copy link and press &quot;import from gist&quot;